Plastics processing

Hasco’s standard mould innovations for tool and mould makers

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Practical drilled insulation plates and hot runner simulation

Particularly pressure-resistant, ready-to-install thermal insulation panels made of glass fabric-reinforced high-temperature resin are known to block the flow of heat from heated injection moulding and pressing tools into the machine clamping platens. For this purpose, the drilled Hasco thermal insulation plates are provided as standard with the appropriate openings in terms of system diameter, mould screw connection, centring flange and fastening holes. They are available in three different versions: Z12010/... for transversely projecting, Z12012/... for longitudinally projecting and Z12015/... for flush clamping plates.

Hasco thermal insulation panels for injection moulds are ready for installation when they arrive at the user's premises. They can reduce energy consumption in plastics processing by a considerable factor.(Source:  Hasco)
Hasco thermal insulation panels for injection moulds are ready for installation when they arrive at the user's premises. They can reduce energy consumption in plastics processing by a considerable factor.
(Source: Hasco)

According to Hasco, they feature outstanding insulating properties coupled with high chemical resistance. The insulation capacity alone allows energy savings of up to 50 percent compared to other thermal insulation boards.

Their dimensional and shape stability under heat is also impressive. The coefficient of expansion is comparable to that of steel, as Hasco notes. For use in medical technology and clean rooms, a special high-performance coating can be applied to seal the surface and thus protect it from abrasion.

Simulation tool creates more safety in the hot runner system

High-performance plastics require ever narrower processing windows in terms of temperatures, according to Hasco. In addition, more sensitive additives mean that the requirements for adequate hot runner technology are becoming ever more stringent. Homogeneous temperature distribution in the hot runner manifold is just as important as a flat temperature curve in the high-performance nozzles.

Therefore, Hasco hot runner will create an additional safety layer in the future with a thermal simulation in order to meet these challenges. The new simulation tool is directly integrated into the design process at Hasco hot runner. It enables an automatic, practical and fast analysis of the properties of a planned hot runner system. This means that any loss of time during the creation of the 3D data is avoided and the user receives the design data at the usual speed. This allows thermal irregularities or hotspots, to be detected during the design process, for example, which is why they can then be optimised by adjusting the heating process accordingly as well as an optimised position of the thermal sensor before it is too late.

It is prudent to know in advance whether a hot runner system under construction will also function optimally. Hasco's new simulation tool now helps to uncover problems in good time.(Source:  Hasco)
It is prudent to know in advance whether a hot runner system under construction will also function optimally. Hasco's new simulation tool now helps to uncover problems in good time.
(Source: Hasco)

Not only the temperature curve of the distributor is analysed, but also the temperature curve of the plastic in the melt channel, emphasises Hasco. And especially when processing temperature-sensitive plastics, the process reliability and thus also the production quality are significantly increased.

In combination with the already standard filling simulations and experienced employees, Hasco hot runner offers its customers the best possible security for the individual challenges in hot runner technology.

(ID:48201962)

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